EP1970902A3 - Signalverarbeitungsvorrichtung und Signalverarbeitungsverfahren - Google Patents

Signalverarbeitungsvorrichtung und Signalverarbeitungsverfahren Download PDF

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Publication number
EP1970902A3
EP1970902A3 EP08152062A EP08152062A EP1970902A3 EP 1970902 A3 EP1970902 A3 EP 1970902A3 EP 08152062 A EP08152062 A EP 08152062A EP 08152062 A EP08152062 A EP 08152062A EP 1970902 A3 EP1970902 A3 EP 1970902A3
Authority
EP
European Patent Office
Prior art keywords
signal processing
processing section
digital signal
signal
processing apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08152062A
Other languages
English (en)
French (fr)
Other versions
EP1970902A2 (de
EP1970902B1 (de
Inventor
Kohei Asada
Tetsunori Itabashi
Kazunobu Ohkuri
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2007105711A external-priority patent/JP5439707B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of EP1970902A2 publication Critical patent/EP1970902A2/de
Publication of EP1970902A3 publication Critical patent/EP1970902A3/de
Application granted granted Critical
Publication of EP1970902B1 publication Critical patent/EP1970902B1/de
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17821—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
    • G10K11/17827—Desired external signals, e.g. pass-through audio such as music or speech
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17855—Methods, e.g. algorithms; Devices for improving speed or power requirements
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1083—Reduction of ambient noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3051—Sampling, e.g. variable rate, synchronous, decimated or interpolated
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Analogue/Digital Conversion (AREA)
EP08152062A 2007-03-02 2008-02-28 Audiosignalverarbeitungsvorrichtung und Signalverarbeitungsverfahren Ceased EP1970902B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007053246 2007-03-02
JP2007105711A JP5439707B2 (ja) 2007-03-02 2007-04-13 信号処理装置、信号処理方法

Publications (3)

Publication Number Publication Date
EP1970902A2 EP1970902A2 (de) 2008-09-17
EP1970902A3 true EP1970902A3 (de) 2010-10-13
EP1970902B1 EP1970902B1 (de) 2012-04-11

Family

ID=39672610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08152062A Ceased EP1970902B1 (de) 2007-03-02 2008-02-28 Audiosignalverarbeitungsvorrichtung und Signalverarbeitungsverfahren

Country Status (2)

Country Link
US (1) US8094046B2 (de)
EP (1) EP1970902B1 (de)

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GB2437772B8 (en) * 2006-04-12 2008-09-17 Wolfson Microelectronics Plc Digital circuit arrangements for ambient noise-reduction.
JP2008085412A (ja) * 2006-09-26 2008-04-10 Sony Corp オーディオ再生装置
JP5352952B2 (ja) 2006-11-07 2013-11-27 ソニー株式会社 デジタルフィルタ回路、デジタルフィルタプログラムおよびノイズキャンセリングシステム
WO2009132315A1 (en) * 2008-04-24 2009-10-29 Life Technologies Corporation Method of sequencing and mapping target nucleic acids
GB2461315B (en) * 2008-06-27 2011-09-14 Wolfson Microelectronics Plc Noise cancellation system
CN101859567B (zh) * 2009-04-10 2012-05-30 比亚迪股份有限公司 一种语音背景噪声的消除方法和装置
US8345888B2 (en) * 2009-04-28 2013-01-01 Bose Corporation Digital high frequency phase compensation
US8085946B2 (en) 2009-04-28 2011-12-27 Bose Corporation ANR analysis side-chain data support
EP2549775B1 (de) * 2009-04-28 2020-09-02 Bose Corporation Verfahren zum Betreiben einer dynamisch konfigurierbaren ANR-Schaltung und Vorrichtung dafür
US8315405B2 (en) * 2009-04-28 2012-11-20 Bose Corporation Coordinated ANR reference sound compression
JP2011019209A (ja) * 2009-06-12 2011-01-27 Sony Corp 信号処理装置、信号処理方法
US8781430B2 (en) * 2009-06-29 2014-07-15 Qualcomm Incorporated Receiver filtering devices, systems, and methods
US8737636B2 (en) * 2009-07-10 2014-05-27 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
US10115386B2 (en) * 2009-11-18 2018-10-30 Qualcomm Incorporated Delay techniques in active noise cancellation circuits or other circuits that perform filtering of decimated coefficients
US20110153320A1 (en) * 2009-12-18 2011-06-23 Electronics And Telecommunications Research Institute Device and method for active noise cancelling and voice communication device including the same
JP5957810B2 (ja) 2011-06-06 2016-07-27 ソニー株式会社 信号処理装置、信号処理方法
US20130094657A1 (en) * 2011-10-12 2013-04-18 University Of Connecticut Method and device for improving the audibility, localization and intelligibility of sounds, and comfort of communication devices worn on or in the ear
US9467774B2 (en) 2012-02-10 2016-10-11 Infineon Technologies Ag System and method for a PCM interface for a capacitive signal source
CN102711015B (zh) * 2012-05-29 2015-03-25 苏州上声电子有限公司 基于二次剩余序列组合的扬声器阵列声场控制方法和装置
US20140079222A1 (en) * 2012-09-14 2014-03-20 Quickfilter Technologies, Llc Restoration of high frequencies by frequency translation
US20140081627A1 (en) * 2012-09-14 2014-03-20 Quickfilter Technologies, Llc Method for optimization of multiple psychoacoustic effects
US10175931B2 (en) 2012-11-02 2019-01-08 Sony Corporation Signal processing device and signal processing method
JP2015220739A (ja) 2014-05-21 2015-12-07 富士通株式会社 歪補償装置及び歪補償方法
US9782672B2 (en) * 2014-09-12 2017-10-10 Voyetra Turtle Beach, Inc. Gaming headset with enhanced off-screen awareness
US9894438B2 (en) * 2014-09-30 2018-02-13 Avnera Corporation Acoustic processor having low latency
JP6829693B2 (ja) 2014-12-23 2021-02-10 ティモシー デグレイ オーディオ共有のための方法及びシステム
CN107615379B (zh) * 2015-06-10 2021-12-24 索尼公司 信号处理装置、信号处理方法和程序
US11086448B2 (en) * 2016-12-14 2021-08-10 Stmicroelectronics Asia Pacific Pte Ltd Parallel analysis of different sampling rates in a touch screen controller
DE102017101497B4 (de) * 2017-01-26 2020-08-27 Infineon Technologies Ag Mikro-Elektro-Mechanisches-System (MEMS) -Schaltkreis und Verfahren zum Rekonstruieren einer Störgröße
US10896668B2 (en) * 2017-01-31 2021-01-19 Sony Corporation Signal processing apparatus, signal processing method, and computer program
TWI648731B (zh) * 2017-07-24 2019-01-21 驊訊電子企業股份有限公司 主動式降噪系統
CN107889006B (zh) * 2017-10-11 2019-08-27 恒玄科技（上海）有限公司 一种灵活调节降噪信号延时的主动降噪系统
JP7282761B2 (ja) * 2017-10-31 2023-05-29 グーグル エルエルシー 低遅延デシメータ及びインターポレータフィルタ
US11074906B2 (en) * 2017-12-07 2021-07-27 Hed Technologies Sarl Voice aware audio system and method
EP3747004A1 (de) * 2018-02-01 2020-12-09 Cirrus Logic International Semiconductor, Ltd. Aktives rauschunterdrückungssystem mit wählbaren abtastraten
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CN110868260B (zh) 2018-08-27 2021-11-02 李锐洪 脉冲编码调制通带滤波器及获得多个滤波通带的方法
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Also Published As

Publication number Publication date
EP1970902A2 (de) 2008-09-17
EP1970902B1 (de) 2012-04-11
US8094046B2 (en) 2012-01-10
US20080212791A1 (en) 2008-09-04

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